278656380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{577}}^1\times {\mathrm{2683}}^1$

素因数の和:3275

約数の個数: 72

約数和(自身を含む): 847038192

約数和(自身を除く): 568381812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 577, 1154, 1731, 2308, 2683, 2885, 3462, 5193, 5366, 5770, 6924, 8049, 8655, 10386, 10732, 11540, 13415, 16098, 17310, 20772, 24147, 25965, 26830, 32196, 34620, 40245, 48294, 51930, 53660, 80490, 96588, 103860, 120735, 160980, 241470, 482940, 1548091, 3096182, 4644273, 6192364, 7740455, 9288546, 13932819, 15480910, 18577092, 23221365, 27865638, 30961820, 46442730, 55731276, 69664095, 92885460, 139328190, 278656380]

約数ペア:

[(1, 278656380), (2, 139328190), (3, 92885460), (4, 69664095), (5, 55731276), (6, 46442730), (9, 30961820), (10, 27865638), (12, 23221365), (15, 18577092), (18, 15480910), (20, 13932819), (30, 9288546), (36, 7740455), (45, 6192364), (60, 4644273), (90, 3096182), (180, 1548091), (577, 482940), (1154, 241470), (1731, 160980), (2308, 120735), (2683, 103860), (2885, 96588), (3462, 80490), (5193, 53660), (5366, 51930), (5770, 48294), (6924, 40245), (8049, 34620), (8655, 32196), (10386, 26830), (10732, 25965), (11540, 24147), (13415, 20772), (16098, 17310)]